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Maintenance & Repair Maintenance & Repair - Archived Discussions Q45 Troubles 
135 messages, Last post on Jul 28, 2001 at 10:10 AM
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| if you want to hear a horror story listen to this. i bought a 1990 q45 for $5,575 in april 2000. i was happy with it. It have 130,000 miles on it. i was driving it for 3 months and the problems started occuring. I was driving from work and it suddenly just dies i was driving it for 10 minutes and on the road it just died. the altenater went bad. so i bought a new one that was a pretty penny. after the cash i spent on it i thought its time to get rid of it. just when i fixed that. i was driving one night and it was jerking really hard. when i stopped it it was shaking and idleing about 3000 rpm. it had no power i drove home. towed it to a shop and they said a vacum seal was leaking. i fixed that and i said that another pretty penny. after i though again all the troubles were over. a day when i got it all fixed it started doing it again. i drove home. and let it rest for the rest of the night. next morning i tried starting it,it wouldnt even start. i thought it was a battery it wasnt, the timing belt came off of it. to fix the it would be about 5-7 thousand dollars. i already spent a total of $6,000 on it so i sold it to a junk yard for $1,500. The first day i bought it people were telling me it was a bad idea i wish they would have told me sooner. | |
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The roughly $4,000-$5000 different in retail used price between a LS400 and a Q45 reflects the usual amount of work necessary to return the average 90-93Q to a satisfactory condition around the 120,000 mile mark if the previous owner did not stay on top of the maintenance and repairs. [They don't thus the price difference plus the Lexus has less power and performance thus less stress]. Many are just driven into the ground by previous 1st or 2nd owners then palmed off on some unsuspecting 3rd buyer who doesn't have a clue about the problems of older SPORT/Lux cars. Never buy an old expensive car without an expert checking everything even a Lexus and always expect at least $3,000 of rehab on any of them if the engine is perfect. I drive a 90Q with 212,000 miles bought new in 1990. |
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I have a 92 Q with 132K miles (runs like a damn race horse) and have been smelling the same thing for about a month now. NO leaks. NO nothing. Just an obvious hot, steaming anti-freeze smell. Never had a car do that, unless there was a lead and the car was running hot. My temp gauge is properly calibrated and it read okay. And to those of you who bash the Q, i.e. Consequencer, "Buyer Beware". Purchasing ragged out junk from someone who did not take care of it from day one has nothing to do with the brand. There again, you can get a lemon in anything. I own a Lexus, albeit an SUV, and my Q and there's no question that Toyota would be gone before my Nissan. |
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| I own a '96 Q45 with 59k miles. All has been ok until last week when, on a very cold day, my blower motor decided to stay stuck on high and WON'T TURN OFF! The only time my fan goes off is when I turn the car off. All other aspects of the automatic climate control seem to work ok. I suspect a relay problem somewhere. Any advice on this would be helpful. It's hard listenting to that nice sound system when the fan is blowing so loudly. | |
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AF burning Smells check for hose leaks under plenum, common on 9 year old Q which haven't had all hoses changed. The fan speed is controlled by an electronic module, fail safe is to run wide open...the fan speed module will need to be replaced ...behind glove box to the left of fan motor vertical quasi rectangular unit mounted in cooling unit. |
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| Thanks for the info, q45man. Any idea what I may be looking at in terms of parts and labor to have the fan speed module replaced? Is it worth doing myself in your opinion? Thanks. | |
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| I have a 91 Q45 w/138K. Great car. Runs like a dream. I had the timing chain replaced at 90K at my choice. Not cheap. I have two problems I have put off repairing for over a year, and would like some iput. 1. The speedo registers incorrectly intermittently. You can be cruising at 80 mph and all of a sudden it will register 120 mph and then go back to 80. Doesn't appear to alter the mileage. Any suggestions. 2. My display for the climate control has stopped working, all functions seem to work, you just can't read the display. Have checked fuses and all seem fine. Are there other fuses to check or will the whole unit have to be replaced?. Any tips on used parts, I am in Tennessee and used parts are hard to come by. | |
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Hi Fellow Q45 suffers. I posted a problem with my fuel pump making a high pitch noise on the first listed posting sight. The title of the posting is "Fuel Pump Noise". If any of you are having a noisy fuel pump problem like mine, please offer suggestions to fix problem... other than buying a different car! I bought mine as an "off Lease" "Certified Pre-Owned" Infiniti 1998; its a 1995 sedan. It had 40K miles and all the service records so I felt like I was buying a properly maintained car. I have 114K miles on it now and I just replaced both the king pins due to a squeeking sound. $400 fixed the problem. I hope this is not like a government project that requires continuous injection of money to keep it running. Please let me know if you are getting a funny noise from your trunk area after a long trip and you are sitting still listening to your car run. I'm getting a high pitch whine. Thanks. I hope this |
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